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labwork [276]
2 years ago
14

if one droplet of water fall from a pipe every 20 seconds how many droplets of water would have fallen from the pipe in 5 mins

Mathematics
1 answer:
PolarNik [594]2 years ago
6 0

Answer:

100

Step-by-step explanation:

20 times 5

if right brainelist? I only need one more

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What do a decimal number and a thumbtack have in common
adoni [48]
They both make a point!
8 0
2 years ago
I have nooooo clue, please help
Aleksandr-060686 [28]

Answer:

case a) x^{2}=3y ----> open up

case b) x^{2}=-10y ----> open down

case c) y^{2}=-2x ----> open left

case d) y^{2}=6x ----> open right

Step-by-step explanation:

we know that

1) The general equation of a vertical parabola is equal to

y=a(x-h)^{2}+k

where

a is a coefficient

(h,k) is the vertex

If a>0 ----> the parabola open upward and the vertex is a minimum

If a<0 ----> the parabola open downward and the vertex is a maximum

2) The general equation of a horizontal parabola is equal to

x=a(y-k)^{2}+h

where

a is a coefficient

(h,k) is the vertex

If a>0 ----> the parabola open to the right

If a<0 ----> the parabola open to the left

Verify each case

case a) we have

x^{2}=3y

so

y=(1/3)x^{2}

a=(1/3)

so

a>0

therefore

The parabola open up

case b) we have

x^{2}=-10y

so

y=-(1/10)x^{2}

a=-(1/10)

a

therefore

The parabola open down

case c) we have

y^{2}=-2x

so

x=-(1/2)y^{2}

a=-(1/2)

a

therefore

The parabola open to the left

case d) we have

y^{2}=6x

so

x=(1/6)y^{2}

a=(1/6)

a>0

therefore

The parabola open to the right

3 0
2 years ago
How do you divide 40 in the ratio 3:5 ?
zalisa [80]

Answer:

15:25

Step-by-step explanation:

7 0
3 years ago
What is three and 2 fourths and minus two and three fourths
netineya [11]

Answer:

The answer is 0.75

Hope this helps!

3 0
1 year ago
Which best explains the relationship between lines a and b? They are skew and will never intersect. They are parallel and will n
r-ruslan [8.4K]

Answer:

They are skew and will never intersect.

Step-by-step explanation:

see attachment for the missing figure

Lines a and b are skew lines since they are not parallel and they do not intersect. The explanation that they don't intersect  is on the grounds that each line is in a parallel plane. Parallel means heading off to the same direction but neither converging nor diverging.

5 0
3 years ago
Read 2 more answers
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